Back to 2002 Infiniti QX4

2002 INFINITI QX4

3.3L V6RWDAUTOMATICgas
6 active safety recalls on this vehicle — view recalls
Repairs0Labor498Torque3650Fluid7DTC705Battery0Maintenance0Recalls6
P2230moderate severityPowertrain

Barometric Pressure Sensor A Circuit Low

on 2002 Infiniti QX4 3.3L V6 · RWD

What this code means

Barometric pressure sensor signal is below expected minimum.

Symptoms

  • Check engine light
  • Over-fueling
  • Black smoke

Common causes

  • Short to ground
  • Failed sensor
  • Wiring fault

Diagnostic steps

  1. Measure sensor voltage
  2. Check for shorts to ground

Repair notes

Replace sensor or repair wiring.

Other Powertrain codes on this vehicle

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